UDelegate in Unreal Engine C++

/* ExampleActor.h */

#include "Delegates/Delegate.h"

// Delegate signature declarations
DECLARE_DELEGATE_TwoParams(FMyDelegateA, int32 /* FirstVar */, float /* SecondVar */);
DECLARE_MULTICAST_DELEGATE_TwoParams(FMyDelegateB, int32 /* FirstVar */, float /* SecondVar */);

UDELEGATE()
DECLARE_DYNAMIC_DELEGATE_TwoParams(FMyDelegateC, int32, FirstVar, float, SecondVar);

UDELEGATE()
DECLARE_DYNAMIC_MULTICAST_DELEGATE_TwoParams(FMyDelegateD, int32, FirstVar, float, SecondVar);



// Delegate declarations
FMyDelegateA DelegateVarA; // Single + NON Dynamic, No UPROPERTY()
FMyDelegateB DelegateVarB; // Mulicast + NON Dynamic, No UPROPERTY()

UPROPERTY()
FMyDelegateC DelegateVarC; // Single + Dynamic

UPROPERTY(BlueprintAssignable, BlueprintCallable)
FMyDelegateD DelegateVarD; // Multicast + Dynamic



// Function declerations
void MyFunction(int32 Var1, float Var2);

UFUNCTION()
void AnotherFunction(int32 Var1, float Var2);  // UFUNCTION required for Dynamic Delegates



/* ExampleActor.cpp */
void AExampleActor::BeginPlay() {
    Super::BeginPlay();


    // Delegate A, Single + NON Dynamic
    DelegateVarA.BindUObject(this, &AExampleActor::MyFunction);
    DelegateVarA.Execute(23, 8.7);
    bool IsBoundA = DelegateVarA.ExecuteIfBound(23, 8.7);
    DelegateVarA.Unbind();


    // Delegate B, Multicast + NON Dynamic
    FDelegateHandle HandleB = DelegateVarB.AddUObject(this, &AExampleActor::MyFunction);
    DelegateVarB.Broadcast(42, 3.14f);
    DelegateVarB.Remove(HandleB);  
    DelegateVarB.RemoveAll(this);
    DelegateVarB.Clear()

    
    // Delegate C, Single + Dynamic
    DelegateVarC.BindDynamic(this, &AExampleActor::AnotherFunction); // Make sure AnotherFunction has UFUNCTION()
    DelegateVarC.Execute(23, 8.7);
    bool IsBoundC = DelegateVarC.ExecuteIfBound(23, 8.7);
    DelegateVarC.Unbind();


    // Delegate D, Multicast + Dynamic
    DelegateVarD.AddDynamic(this, &AExampleActor::AnotherFunction);  // Make sure AnotherFunction has UFUNCTION()
    DelegateVarD.Broadcast(23, 8.7);
    DelegateVarD.RemoveDynamic(this, &AExampleActor::AnotherFunction);
    DelegateVarD.RemoveAll(this);
    DelegateVarD.Clear();
}